The science of friction -- and its surprising impact on our lives

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Speaker: Jennifer Vail

Tribology: it's a funny-sounding word you might not have heard before, but it could change how you see and interact with the physical world, says mechanical engineer Jennifer Vail. Offering lessons from tribology -- the study of friction and wear -- Vail describes the surprisingly varied ways it impacts everyday life and how it could help us make a better world.